Heat moisture exchanger



FIG. 1 is a perspective view of a heat moisture exchanger showing my new design;

FIG. 2 is a front/rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left/right elevation view thereof.

The broken lines show portions of the design that form no part of the claimed design. 

CLAIM The ornamental design for a heat moisture exchanger, as shown and described. 